CN112868486A - Method for forcing cultivation and dwarfing treatment of cut flower tulip - Google Patents
Method for forcing cultivation and dwarfing treatment of cut flower tulip Download PDFInfo
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/60—Flowers; Ornamental plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G13/00—Protecting plants
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/35—Bulbs; Alliums, e.g. onions or leeks
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
- A01G24/12—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material containing soil minerals
- A01G24/15—Calcined rock, e.g. perlite, vermiculite or clay aggregates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/28—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing peat, moss or sphagnum
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
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Abstract
The invention discloses a method for forcing cultivation and dwarfing of cut-flower tulip, which comprises the following steps: a. soaking the seed balls in 50mg/L paclobutrazol solution for 80-100 min before planting, and planting the seed balls on the same day after drying in shade; b. placing tulip seed balls in a flowerpot to be filled with a matrix, keeping the thickness of the matrix above the bulbs to be 2-3 cm after planting, placing the tulip seed balls in a sunlight greenhouse, and watering thoroughly; c. keeping the temperature of the substrate below 12 ℃ in the rooting period, and removing the covering after rooting at low temperature and when 10% of buds are exposed out of the soil surface; spraying 120-150 mg/L paclobutrazol solution to the leaf surface for the first time when the tulip is unearthed for 6-8 cm, spraying 80-100 mg/L paclobutrazol solution to the leaf surface for the second time when the tulip is unearthed for 15-18 cm, and spraying 50-60 ml of paclobutrazol solution to each pot every time. The method combines the seed ball soaking and the foliage spraying, and improves the flowering quality and the ornamental value of the tulip.
Description
Technical Field
The invention belongs to the technical field of cultivation of cut flower tulip, particularly belongs to a dwarfing treatment technology of cut flower tulip, and particularly relates to a method for promoting cultivation and dwarfing treatment of cut flower tulip by combining seed ball soaking and foliage spraying.
Background
The conventional dwarfing treatment of the cut-flower tulip generally only adopts a hormone leaf surface spraying method, and the use concentration is single, so that the growth of the tulip is inconsistent, the flowering rate is influenced, and the ornamental effect is reduced. The disadvantages of the conventional dwarfing process are as follows: 1. the tulip seed balls which are not soaked in the paclobutrazol solution are used, so that the effect of hormone on each seed ball cannot be uniform, the growth periods are inconsistent, the plant heights are inconsistent, the flowering phases are inconsistent, and the ornamental value is greatly reduced; 2. the treatment method of single-concentration hormone foliage spraying is adopted, the concentration is high, the plant is short and small, the flowering rate is reduced, and the flower buds are easy to abortive; the concentration is low, the plant dwarfing effect is not obvious, and a better potting effect cannot be achieved.
Disclosure of Invention
The invention aims to provide a method for promoting cultivation and dwarfing of cut flower tulip by combining seed ball soaking and foliage spraying aiming at the defects in the prior art.
The invention aims to solve the problems by the following technical scheme:
a method for forcing culture and dwarfing treatment of cut flower tulip is characterized in that: the method comprises the following steps:
a. seed ball treatment: before planting, thawing the tulip seed balls subjected to low-temperature vernalization at low temperature, removing brown cortex coated outside the roots, soaking the seed balls in a paclobutrazol solution with the concentration of 50mg/L for 80-100 min, airing in a shade and planting on the same day;
b. and (3) potting and field planting: before planting, firstly, arranging a drainage layer at the bottom of a flowerpot in a padded mode, adding a prepared substrate, placing tulip seed balls in the flowerpot, refilling the substrate, keeping the thickness of the substrate above bulbs to be 2-3 cm after planting, placing the tulip seed balls in a sunlight greenhouse after planting, watering the tulip seed balls thoroughly, and covering a shading and ventilating cover on the flowerpot;
c. and (3) growth management: keeping the temperature of the substrate below 12 ℃ within one month after planting, removing the covering to increase the temperature of the substrate and the greenhouse when 10 percent of buds are exposed out of the soil surface after low-temperature rooting for 2-3 weeks; when the tulip is unearthed for 6-8 cm, spraying the paclobutrazol solution with the concentration of 120-150 mg/L on the leaf surface for the first time, and spraying the paclobutrazol solution with the concentration of 80-100 mg/L on the leaf surface for the second time when the tulip is unearthed for 15-18 cm, wherein 50-60 ml of the paclobutrazol solution is sprayed in each pot each time.
And (c) avoiding bruising the bulbar plate when the brown cortex is removed in the step a.
B, planting in the pot in the step b according to the cultivation condition of a sunlight greenhouse, planting in 10 months and 15-20 days by taking Christmas and New year's day as flower supply targets; the spring festival is taken as a flower supply target, and the planting time is 11 middle days of the month.
The substrate in the step b needs to be prepared and sterilized before use, and the specific steps of the substrate preparation and sterilization are as follows: mixing grass peat: vermiculite: mixing garden soil according to the ratio of 1:1:1, and adding 1kg of compound fertilizer or 10kg of decomposed organic fertilizer into each cubic meter of prepared matrix as base fertilizer; weighing 40-50 g/m of 50% carbendazim wettable powder3Uniformly spraying the mixture on a substrate, uniformly stirring, covering the substrate with a film for 2-3 days, and removing the film for use after the medicinal flavor is volatilized; the matrix needs to be watered thoroughly once a day before planting to reduce the temperature of the matrix.
And c, covering the sunlight greenhouse in the step b with a film for rain prevention 3-5 days before the upper pot is fixedly planted, and covering and shading the sunlight greenhouse with a shading net with a shading rate of 50% -70%.
And d, selecting 15-21 cm of flowerpot caliber, planting 3-5 tulip seed balls in each pot, before planting, arranging a drainage layer at the bottom of the flowerpot in a cushioning mode, adding prepared matrix, placing the tulip seed balls in the flowerpot, refilling the matrix to 2-3 cm of the pot mouth, keeping the thickness of the matrix above the bulbs to be 2-3 cm after planting, placing the tulip seed balls in a sunlight greenhouse after planting, watering the flowerpot thoroughly, covering the flowerpot with a shade-shielding and breathable cover, and continuously shading the sunlight greenhouse with a shade net.
And (c) water sources adopted for the pot planting in the step b and the growth management in the step c are required to be clean and pollution-free, and the pH value is 6-6.5.
The growth management requirement in the step c is as follows: and in one month after planting, keeping the temperature of the substrate below 12 ℃, controlling the temperature in a sunlight greenhouse below 20 ℃, after low-temperature rooting for 2-3 weeks, removing the covering to improve the temperature of the substrate and the greenhouse when 10% of buds are exposed out of the soil surface, controlling the temperature of the substrate at 13-16 ℃ and controlling the temperature of the greenhouse at 15-18 ℃.
The growth management requirement in the step c is as follows: after the low-temperature rooting period, direct sunlight of the tulip for not less than 8 hours per day needs to be ensured.
The growth management requirement in the step c is as follows: alternately spraying 500 times of 80% zineb wettable powder and 800-1000 times of 75% chlorothalonil liquid at the initial stage of the fungal disease; spraying 1000 times of 40% omethoate emulsifiable solution to prevent and treat bruise; the mite pest is controlled by 1500 times of the propargite liquid.
Compared with the prior art, the invention has the following advantages:
the method combines the seed ball soaking and the leaf surface spraying, so that the cut-flower tulip achieves a better potting effect, the residue and the action effect of the paclobutrazol on each seed ball are uniform and consistent, the plant type is compact, the stems are thick and strong, the lodging resistance is realized, the growth period is basically consistent, and the plant height is basically consistent, thereby enriching the types and the flower types of the potted tulip, improving the flowering quality of the tulip, improving the ornamental value of the tulip and being beneficial to increasing the economic benefit.
Detailed Description
The present invention will be further described with reference to the following examples.
A method for promoting cultivation and dwarfing of cut flower tulip comprises the following steps:
a. seed ball treatment: before planting, thawing the tulip seed balls subjected to low-temperature vernalization at low temperature, removing brown cortex coated outside the roots, paying attention to avoid damaging a bulb disc, soaking the seed balls in a paclobutrazol solution with the concentration of 50mg/L for 80-100 min, and planting the seed balls in the same day after airing in a shade;
b. and (3) potting and field planting: planting in a pot according to the planting condition in a sunlight greenhouse, planting in 10 months and 15-20 days by taking Christmas and New year's day as flower supply targets; taking spring festival as a flower supply target, wherein the planting time is 11 middle ten days of the month; the diameter of the flowerpot is 15-21 cm, 3-5 tulip seed balls are fixedly planted in each pot, before the planting, a drainage layer is arranged at the bottom of the flowerpot in a padded mode, prepared matrix is added, the tulip seed balls are placed in the flowerpot, the matrix is refilled to 2-3 cm of the pot opening, the thickness of the matrix above the bulbs is kept to be 2-3 cm after the planting, the tulip seed balls are placed in a sunlight greenhouse after the planting, water is poured through the tulip seed balls, a shade and breathable cover is covered on the flowerpot, and the sunlight greenhouse is continuously shaded by a shade net;
c. and (3) growth management: in one month after planting, keeping the temperature of the substrate below 12 ℃, controlling the temperature in a sunlight greenhouse below 20 ℃, after rooting at low temperature for 2-3 weeks, removing the covering to improve the temperature of the substrate and the greenhouse when 10% of buds are exposed out of the soil surface, controlling the temperature of the substrate at 13-16 ℃ and controlling the temperature of the greenhouse at 15-18 ℃; spraying a paclobutrazol solution with the concentration of 120-150 mg/L on the leaf surface for the first time when the tulip is unearthed for 6-8 cm, spraying a paclobutrazol solution with the concentration of 80-100 mg/L on the leaf surface for the second time when the tulip is unearthed for 15-18 cm, and spraying 50-60 ml of the paclobutrazol solution in each pot each time; during the growth period of tulip, the relative humidity in the greenhouse is required to be 70-80%.
Further, the substrate needs to be prepared and sterilized before use, and the specific steps of the substrate preparation and sterilization are as follows: mixing grass peat: vermiculite: mixing garden soil according to the ratio of 1:1:1, and adding 1kg of compound fertilizer or 10kg of decomposed organic fertilizer into each cubic meter of prepared matrix as base fertilizer; weighing 40-50 g/m of 50% carbendazim wettable powder3Uniformly spraying the mixture on a substrate, uniformly stirring, covering the substrate with a film for 2-3 days, and removing the film for use after the medicinal flavor is volatilized; the substrate needs to be planted beforeWatering once a day to permeate water so as to reduce the temperature of the matrix; covering a film and preventing rain in the sunlight greenhouse 3-5 days before potting and planting, and covering and shading the sunlight greenhouse by using a shading net with shading rate of 50-70%.
Furthermore, the adopted water source is required to be clean and pollution-free, and the pH value is 6-6.5; the watering amount is proper, and the premise is to keep a good granular structure of the matrix, so that sufficient water is provided for the growth of plants, the flowering period is close to after buds appear, the watering amount is strictly controlled, and the water shortage of the corm part is ensured; before and after harvesting, water can be supplied by adopting a drip irrigation mode. Watering is generally carried out in the morning, and ventilation is carried out after watering, so that the relative humidity between plants is reduced.
Tulip likes strong light, and the illumination is an important limiting factor for its blooming. After the low-temperature rooting period, direct sunlight of the tulip for not less than 8 hours every day needs to be ensured; in case of long-rain weather, the illumination needs to be supplemented, and the method is to be carried out every 25-30 m2The high-pressure sodium lamp 1 with a reflecting device is hung at the height of 2m of the area.
In the aspect of pest control, main fungal diseases comprise rot sclerotinia, epidemic disease, gray mold and the like, and the control method comprises the steps of selecting disease-free robust seedballs, and alternately spraying 500 times of wettable powder of 80% zineb and 800-1000 times of wettable powder of 75% chlorothalonil at the initial stage of the fungal disease attack; when the main viral diseases are morbid, 1000 times of 40 percent omethoate emulsifiable solution is sprayed for preventing and treating; generating mite pests, and using 1500 times of solution of propargite to prevent and control.
No fertilizer is generally required during tulip growth, except for the base fertilizer applied prior to planting.
Examples
The method for promoting cultivation and dwarfing of cut flower tulip provided by the present invention is described in detail by a specific example.
1. Substrate preparation and disinfection
Mixing grass peat: vermiculite: mixing garden soil according to the ratio of 1:1:1, adding 1kg of compound fertilizer or 10kg of decomposed organic fertilizer as base fertilizer into each cubic meter of prepared matrix, and uniformly stirring; weighing 40-50 g/m of 50% carbendazim wettable powder3Uniformly spraying the mixture on a substrate, and uniformly stirring the mixtureCovering the film for 2-3 days, and removing the film for use after the medicinal flavor is volatilized.
2. Watering and shading
Covering a film and preventing rain 3-5 days before potting and planting, covering and shading a sunlight greenhouse by using a shading net with shading rate of 50-70%, and watering the matrix once a day before planting to reduce the temperature of the matrix.
3. Ball treatment
Before planting, after the seed balls subjected to low-temperature vernalization are thawed at low temperature, brown cortex coated outside roots is carefully removed, and a bulbar disc is not damaged; and then soaking the seedballs in a paclobutrazol solution with the concentration of 50mg/L for 80-100 min, airing the seedballs in a shade, and planting the treated seedballs on the same day.
4. Time of permanent planting
Under the condition of sunlight greenhouse cultivation, Christmas and New year's day are used as flower supply targets, planting can be carried out in 15-20 days in 10 months, spring festival is used as flower supply target, and planting time is 11 last ten days of month. After the tulip is planted, if the temperature of the matrix is higher, vernalization can occur to cause serious blindness, so the planting time of the tulip is suitable to be too late and not too early in principle, and the tulip can be planted when the temperature is lower than 14 ℃ (more than 3 days continuously).
5. Planting in upper pot
Generally, a flowerpot with the caliber of 15-21 cm is selected, and 3-5 tulip seed balls are fixedly planted in each pot; before field planting, firstly, filling 3cm of brick stone grains, ceramsite and the like at the bottom of a flowerpot as a drainage layer, adding a prepared substrate, placing tulip seed balls in the flowerpot, refilling the substrate to 2-3 cm of a pot opening, keeping the thickness of soil layer above bulbs to be 2-3 cm after planting, paying attention to not pressing hard to prevent from damaging a phoma plate and influencing rooting, and slightly vibrating the flowerpot; after planting, the plants are placed in a solar greenhouse in order and are watered thoroughly, the flowerpot is immediately covered with straw and other objects, and the solar greenhouse is continuously shaded by a shading net.
6. Daily management
In one month after planting, keeping the temperature of the substrate below 12 ℃, controlling the temperature in a sunlight greenhouse below 20 ℃ by shading, irrigating with cold water and other methods, after rooting at low temperature for 2-3 weeks, uncovering all the covering to improve the temperature of the substrate and the greenhouse when 10% of buds are exposed out of the soil surface, wherein the temperature of the substrate suitable for normal growth of tulip is 13-16 ℃, the temperature of the sunlight greenhouse is 15-18 ℃, and the temperature change is prevented from being too fast as much as possible.
Spraying the paclobutrazol solution with the concentration of 150mg/L on the leaf surface of the tulip for the first time when the tulip is unearthed for 6-8 cm, spraying the paclobutrazol solution with the concentration of 100mg/L on the leaf surface of the tulip for the second time when the tulip is unearthed for 15-18 cm, and spraying 50-60 ml of the paclobutrazol solution in each pot each time.
Tulip likes strong light, and the illumination is an important limiting factor for its blooming. After the low-temperature rooting period, ensuring that the tulip has direct sunlight for not less than 8 hours every day; in case of long-rain weather, the illumination needs to be supplemented, and the method is to be carried out every 25-30 m2The high-pressure sodium lamp 1 with a reflecting device is hung at the height of 2 m.
The method combines the seed ball soaking and the leaf surface spraying, so that the cut-flower tulip achieves a better potting effect, the residue and the action effect of the paclobutrazol on each seed ball are uniform and consistent, the plant type is compact, the stems are thick and strong, the lodging resistance is realized, the growth period is basically consistent, and the plant height is basically consistent, thereby enriching the types and the flower types of the potted tulip, improving the flowering quality of the tulip, improving the ornamental value of the tulip and being beneficial to increasing the economic benefit.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.
Claims (10)
1. A method for forcing culture and dwarfing treatment of cut flower tulip is characterized in that: the method comprises the following steps:
a. seed ball treatment: before planting, thawing the tulip seed balls subjected to low-temperature vernalization at low temperature, removing brown cortex coated outside the roots, soaking the seed balls in a paclobutrazol solution with the concentration of 50mg/L for 80-100 min, airing in a shade and planting on the same day;
b. and (3) potting and field planting: before planting, firstly, arranging a drainage layer at the bottom of a flowerpot in a padded mode, adding a prepared substrate, placing tulip seed balls in the flowerpot, refilling the substrate, keeping the thickness of the substrate above bulbs to be 2-3 cm after planting, placing the tulip seed balls in a sunlight greenhouse after planting, watering the tulip seed balls thoroughly, and covering a shading and ventilating cover on the flowerpot;
c. and (3) growth management: keeping the temperature of the substrate below 12 ℃ within one month after planting, removing the covering to increase the temperature of the substrate and the greenhouse when 10 percent of buds are exposed out of the soil surface after low-temperature rooting for 2-3 weeks; when the tulip is unearthed for 6-8 cm, spraying the paclobutrazol solution with the concentration of 120-150 mg/L on the leaf surface for the first time, and spraying the paclobutrazol solution with the concentration of 80-100 mg/L on the leaf surface for the second time when the tulip is unearthed for 15-18 cm, wherein 50-60 ml of the paclobutrazol solution is sprayed in each pot each time.
2. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: and (c) avoiding bruising the bulbar plate when the brown cortex is removed in the step a.
3. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: b, planting in the pot in the step b according to the cultivation condition of a sunlight greenhouse, planting in 10 months and 15-20 days by taking Christmas and New year's day as flower supply targets; the spring festival is taken as a flower supply target, and the planting time is 11 middle days of the month.
4. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: the substrate in the step b needs to be prepared and sterilized before use, and the specific steps of the substrate preparation and sterilization are as follows: mixing grass peat: vermiculite: mixing garden soil according to the ratio of 1:1:1, and adding 1kg of compound fertilizer or 10kg of decomposed organic fertilizer into each cubic meter of prepared matrix as base fertilizer; weighing 40-50 g/m of 50% carbendazim wettable powder3Uniformly spraying the mixture on a substrate, uniformly stirring, covering the substrate with a film for 2-3 days, and removing the film for use after the medicinal flavor is volatilized; the matrix needs to be thoroughly poured once a day before plantingWater to lower the temperature of the substrate.
5. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: and c, covering the sunlight greenhouse in the step b with a film for rain prevention 3-5 days before the upper pot is fixedly planted, and covering and shading the sunlight greenhouse with a shading net with a shading rate of 50% -70%.
6. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: and d, selecting 15-21 cm of flowerpot caliber, planting 3-5 tulip seed balls in each pot, before planting, arranging a drainage layer at the bottom of the flowerpot in a cushioning mode, adding prepared matrix, placing the tulip seed balls in the flowerpot, refilling the matrix to 2-3 cm of the pot mouth, keeping the thickness of the matrix above the bulbs to be 2-3 cm after planting, placing the tulip seed balls in a sunlight greenhouse after planting, watering the flowerpot thoroughly, covering the flowerpot with a shade-shielding and breathable cover, and continuously shading the sunlight greenhouse with a shade net.
7. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: and (c) water sources adopted for the pot planting in the step b and the growth management in the step c are required to be clean and pollution-free, and the pH value is 6-6.5.
8. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: the growth management requirement in the step c is as follows: and in one month after planting, keeping the temperature of the substrate below 12 ℃, controlling the temperature in a sunlight greenhouse below 20 ℃, after low-temperature rooting for 2-3 weeks, removing the covering to improve the temperature of the substrate and the greenhouse when 10% of buds are exposed out of the soil surface, controlling the temperature of the substrate at 13-16 ℃ and controlling the temperature of the greenhouse at 15-18 ℃.
9. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: the growth management requirement in the step c is as follows: after the low-temperature rooting period, direct sunlight of the tulip for not less than 8 hours per day needs to be ensured.
10. The method for forcing culture dwarfing of cut-flower tulip as claimed in claim 1, wherein: the growth management requirement in the step c is as follows: alternately spraying 500 times of 80% zineb wettable powder and 800-1000 times of 75% chlorothalonil liquid at the initial stage of the fungal disease; spraying 1000 times of 40% omethoate emulsifiable solution to prevent and treat bruise; the mite pest is controlled by 1500 times of the propargite liquid.
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